Procedure
- Connect GND Port to Pin-7 (Input & Output) of ICBase-3.
- Connect VCC Port to Pin-14 (Input & Output) of ICBase-3.
- Connect Input-1 to Pin-1 (Input & Output) of ICBase-3.
- Connect Input-1 to Pin-2 (Input & Output) of ICBase-3.
- Connect Pin-1 (Input & Output) of ICBase-4 to Pin-1 (Input & Output) of ICBase-3.